Home / 10,761.29-16,138.28-3,739.46

Finding the Fourth Proportional to 10,761.29, 16,138.28 and 3,739.46

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Solution

The fourth proportional to 10,761.29, 16,138.28 and 3,739.46 is: 5,607.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,761.29 : 16,138.28 = 3,739.46 : x
  2. Step 2: Convert to fraction form
    10,761.29/16,138.28 = 3,739.46/x
  3. Step 3: Cross multiply
    10,761.29x = 16,138.28 × 3,739.46
  4. Step 4: Simplify right side
    10,761.29x = 60,348,452.53
  5. Step 5: Solve for x
    x = 60,348,452.53/10,761.29
  6. Step 6: Final answer
    x = 5,607.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.